<template>
  <section class="main">
      <input 
        id="toggle-all"
        class="toggle-all" 
        type="checkbox" 
        :checked="isCheckAll"
        @changed="changeChecked" />
      <label for="toggle-all">Mark all as complete</label>
      <ul class="todo-list">
        <!-- 当任务已完成，可以给 li 加上 completed 类，会让元素加上删除线 -->
        <li 
          :class="{completed: item.isDone}" 
          v-for="item in list" 
          :key="item.id">
          <div class="view">
            <input 
              class="toggle" 
              type="checkbox" 
              :checked="item.isDone" 
              @change="change(item.id)"/>
            <label>{{item.name}}</label>
            <button class="destroy" @click="delList(item.id)"></button>
          </div>
        </li>
      </ul>
  </section>
</template>
<script>
export default {
  name: 'TodoBody',
  props: {
    list: {
        type: Array,
        required: true,
    },
    isCheckAll: {
     type: Boolean,
     require: true,
    }
  },
  data () {
    return {
    }
  },
  methods: {
    // 删除事件
    delList(id) {
       this.$emit('delList', id)
    },
    //  改变任务状态
    change(id) {
     this.$emit('change', id)
    },
    // 改变所有多选框
    changeChecked() {
      console.log(this.isCheckAll);
      this.$emit('changeChecked', !this.isCheckAll)
    }
  },
};
</script>
<style scoped>
</style>